A. AGAIN B. REGION C. GOVERNING D. GROUPREAD A...

4. A. again

B. region

C. governing

D. group

Read and choose the best word to fill in each gap. Circle the corresponding letter (A, B, C, D)

HOW CLEVER ARE DOLPHINS?

Dolphins do have fairy large brains. There are many stories, ancient and modern, about

dolphins saving sailors from (1)__________. Ever since the film Flipper, we have all seen how

clever they are at learning how to do (2)__________. However, the truth is that dolphins are no

more (3)__________ than

rats, which can also be trained to do tricks. The stories about them

(4)________ people are true, but they automatically rescue anything, which is about the same size

(5) __________ themselves. Sometimes they kill sharks and then immediately try to rescue them.